[INFO] fetching crate bls_bulletproofs 1.1.1... [INFO] testing bls_bulletproofs-1.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate bls_bulletproofs 1.1.1 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate bls_bulletproofs 1.1.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate bls_bulletproofs 1.1.1 [INFO] tweaked toml for crates.io crate bls_bulletproofs 1.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate bls_bulletproofs 1.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 118 packages to latest compatible versions [INFO] [stderr] Adding bincode v1.3.3 (available: v2.0.1) [INFO] [stderr] Adding blstrs v0.6.2 (available: v0.7.1) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] [stderr] Adding digest v0.9.0 (available: v0.10.7) [INFO] [stderr] Adding group v0.12.1 (available: v0.13.0) [INFO] [stderr] Adding hex v0.3.2 (available: v0.4.3) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding rand_chacha v0.3.1 (available: v0.9.0) [INFO] [stderr] Adding sha3 v0.9.1 (available: v0.10.8) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.16) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0706980fba3a397afd75b513df6a719ef62b07e3a65dd5ce71fc4599628142f3 [INFO] running `Command { std: "docker" "start" "-a" "0706980fba3a397afd75b513df6a719ef62b07e3a65dd5ce71fc4599628142f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0706980fba3a397afd75b513df6a719ef62b07e3a65dd5ce71fc4599628142f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0706980fba3a397afd75b513df6a719ef62b07e3a65dd5ce71fc4599628142f3", kill_on_drop: false }` [INFO] [stdout] 0706980fba3a397afd75b513df6a719ef62b07e3a65dd5ce71fc4599628142f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce3c5ca2ea8a7aa1b16e01cb05cad79b01f45bbfdfabfcf2bf273d25edf0e1c7 [INFO] running `Command { std: "docker" "start" "-a" "ce3c5ca2ea8a7aa1b16e01cb05cad79b01f45bbfdfabfcf2bf273d25edf0e1c7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling tap v1.0.1 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling funty v2.0.0 [INFO] [stderr] Compiling subtle v2.6.1 [INFO] [stderr] Compiling keccak v0.1.5 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling byte-slice-cast v1.2.3 [INFO] [stderr] Compiling blst v0.3.15 [INFO] [stderr] Compiling clear_on_drop v0.2.5 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling wyz v0.5.1 [INFO] [stderr] Compiling bitvec v1.0.1 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling sha3 v0.9.1 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand_xorshift v0.3.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling ff v0.12.1 [INFO] [stderr] Compiling group v0.12.1 [INFO] [stderr] Compiling pairing v0.22.0 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling zeroize v1.8.1 [INFO] [stderr] Compiling merlin v3.0.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling blstrs v0.6.2 [INFO] [stderr] Compiling bls_bulletproofs v1.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `r1cs_domain_sep`, `r1cs_1phase_domain_sep`, and `r1cs_2phase_domain_sep` are never used [INFO] [stdout] --> src/transcript.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub trait TranscriptProtocol { [INFO] [stdout] | ------------------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 27 | fn r1cs_domain_sep(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn r1cs_1phase_domain_sep(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn r1cs_2phase_domain_sep(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.41s [INFO] running `Command { std: "docker" "inspect" "ce3c5ca2ea8a7aa1b16e01cb05cad79b01f45bbfdfabfcf2bf273d25edf0e1c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce3c5ca2ea8a7aa1b16e01cb05cad79b01f45bbfdfabfcf2bf273d25edf0e1c7", kill_on_drop: false }` [INFO] [stdout] ce3c5ca2ea8a7aa1b16e01cb05cad79b01f45bbfdfabfcf2bf273d25edf0e1c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bcc02f93dc56f206b767919cd9bf4bf10472246085729e969224decefda71fb [INFO] running `Command { std: "docker" "start" "-a" "5bcc02f93dc56f206b767919cd9bf4bf10472246085729e969224decefda71fb", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling half v1.8.3 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling oorandom v11.1.5 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stdout] warning: methods `r1cs_domain_sep`, `r1cs_1phase_domain_sep`, and `r1cs_2phase_domain_sep` are never used [INFO] [stdout] --> src/transcript.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub trait TranscriptProtocol { [INFO] [stdout] | ------------------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 27 | fn r1cs_domain_sep(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn r1cs_1phase_domain_sep(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn r1cs_2phase_domain_sep(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling regex-automata v0.4.10 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion-plot v0.4.5 [INFO] [stderr] Compiling regex v1.11.2 [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stderr] Compiling bls_bulletproofs v1.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `r1cs_domain_sep`, `r1cs_1phase_domain_sep`, and `r1cs_2phase_domain_sep` are never used [INFO] [stdout] --> src/transcript.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub trait TranscriptProtocol { [INFO] [stdout] | ------------------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 27 | fn r1cs_domain_sep(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn r1cs_1phase_domain_sep(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn r1cs_2phase_domain_sep(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 21.30s [INFO] running `Command { std: "docker" "inspect" "5bcc02f93dc56f206b767919cd9bf4bf10472246085729e969224decefda71fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bcc02f93dc56f206b767919cd9bf4bf10472246085729e969224decefda71fb", kill_on_drop: false }` [INFO] [stdout] 5bcc02f93dc56f206b767919cd9bf4bf10472246085729e969224decefda71fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1ea5498e7732ba5a2b0323fc47b9246d8e70180bacd3d78b871b0c72d18c3055 [INFO] running `Command { std: "docker" "start" "-a" "1ea5498e7732ba5a2b0323fc47b9246d8e70180bacd3d78b871b0c72d18c3055", kill_on_drop: false }` [INFO] [stderr] warning: methods `r1cs_domain_sep`, `r1cs_1phase_domain_sep`, and `r1cs_2phase_domain_sep` are never used [INFO] [stderr] --> src/transcript.rs:27:8 [INFO] [stderr] | [INFO] [stderr] 19 | pub trait TranscriptProtocol { [INFO] [stderr] | ------------------ methods in this trait [INFO] [stderr] ... [INFO] [stderr] 27 | fn r1cs_domain_sep(&mut self); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 30 | fn r1cs_1phase_domain_sep(&mut self); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 33 | fn r1cs_2phase_domain_sep(&mut self); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `bls_bulletproofs` (lib) generated 1 warning [INFO] [stderr] warning: `bls_bulletproofs` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bls_bulletproofs-88b51190b0f41a0b) [INFO] [stdout] [INFO] [stdout] running 26 tests [INFO] [stdout] test inner_product_proof::tests::test_inner_product ... ok [INFO] [stdout] test inner_product_proof::tests::make_ipp_1 ... ok [INFO] [stdout] test inner_product_proof::tests::make_ipp_2 ... ok [INFO] [stdout] test range_proof::tests::test_delta ... ok [INFO] [stdout] test util::tests::exp_2_is_powers_of_2 ... ok [INFO] [stdout] test util::tests::test_inner_product ... ok [INFO] [stdout] test util::tests::test_scalar_exp ... ok [INFO] [stdout] test util::tests::test_sum_of_powers ... ok [INFO] [stdout] test util::tests::test_sum_of_powers_slow ... ok [INFO] [stdout] test util::tests::tuple_of_scalars_clear_on_drop ... ok [INFO] [stdout] test util::tests::vec_of_scalars_clear_on_drop ... ok [INFO] [stdout] test inner_product_proof::tests::make_ipp_4 ... ok [INFO] [stdout] test range_proof::tests::detect_dishonest_dealer_during_aggregation ... ok [INFO] [stdout] test generators::tests::aggregated_gens_iter_matches_flat_map ... ok [INFO] [stdout] test generators::tests::resizing_small_gens_matches_creating_bigger_gens ... ok [INFO] [stdout] test inner_product_proof::tests::make_ipp_32 ... ok [INFO] [stdout] test inner_product_proof::tests::make_ipp_64 ... ok [INFO] [stdout] test range_proof::tests::create_and_verify_n_32_m_1 ... ok [INFO] [stdout] test range_proof::tests::create_and_verify_n_64_m_1 ... ok [INFO] [stdout] test range_proof::tests::create_and_verify_n_32_m_2 ... ok [INFO] [stdout] test range_proof::tests::detect_dishonest_party_during_aggregation ... ok [INFO] [stdout] test range_proof::tests::create_and_verify_n_32_m_4 ... ok [INFO] [stdout] test range_proof::tests::create_and_verify_n_64_m_2 ... ok [INFO] [stdout] test range_proof::tests::create_and_verify_n_64_m_4 ... ok [INFO] [stdout] test range_proof::tests::create_and_verify_n_32_m_8 ... ok [INFO] [stdout] test range_proof::tests::create_and_verify_n_64_m_8 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.11s [INFO] [stdout] [INFO] [stderr] Running tests/range_proof.rs (/opt/rustwide/target/debug/deps/range_proof-c3cb75fe53e6a369) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests bls_bulletproofs [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/range_proof/mod.rs - range_proof::RangeProof::prove_single_with_rng (line 90) ... ok [INFO] [stdout] test src/range_proof/mod.rs - range_proof::RangeProof::prove_multiple_with_rng (line 190) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1ea5498e7732ba5a2b0323fc47b9246d8e70180bacd3d78b871b0c72d18c3055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ea5498e7732ba5a2b0323fc47b9246d8e70180bacd3d78b871b0c72d18c3055", kill_on_drop: false }` [INFO] [stdout] 1ea5498e7732ba5a2b0323fc47b9246d8e70180bacd3d78b871b0c72d18c3055